In a library in central Beijing, a scientist has her head buried in a pile of ancient books.
Pouring through the pages,
she scans the texts for recipes that might hold the key to a major medical problem facing countries around the globe.
And there, in a more than 1,500 year old book,
she spots something, the mention of a plant that can treat intermittent fevers.
And she thinks, yes, maybe this could be it.
I'm Julia Ravey.
And I'm Ella Hubber.
We're scientists turned radio presenters.
And these are the stories we wish we'd known when we were starting out as scientists ourselves.
This is Unstoppable for Discovery on the BBC World Service.
Today's story belongs to a scientist who turned to traditional practices to find a treatment for one of the world's deadliest diseases,
all under the cover of a top secret project.
And her name is Too You You.
A top secret project?
Count me in.
Yes,
and the reason that this project was top secret was
because it was part of a much bigger political battle which came to a head in the 1960s.
No one knows how many Vietnamese have perished in this war without end.